package com.glacier.service;

import com.glacier.entity.User;

/**
 * date 2021-09-27 17:07
 *
 * @author glacier
 * @version 1.0
 */
public interface UserService {

	void addUser(User user);

	User getUserByUsername(String username);

	User updateUser(User user);

	void deleteByUsername(String username);

    void deleteAll();
}
